"Big Shark, Little Shark" by Anna Membrino is a trade paperback book published by Random House Children's Books in 2017. It is part of the Step Into Reading Series and is written in English. The book explores concepts of size and shape, as well as opposites, through the story of two sharks, one big and one small. With colorful illustrations by Budgen, Tim, and Yes, this juvenile fiction book is a fun and educational read for young readers. The 32-page book measures 8.9 inches in length, 6 inches in width, and 0.4 inches in height, weighing 2.9 ounces.